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Finding the Fourth Proportional to 480,571.72, 663,237.30 and 265,728.04

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Solution

The fourth proportional to 480,571.72, 663,237.30 and 265,728.04 is: 366,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,571.72 : 663,237.30 = 265,728.04 : x
  2. Step 2: Convert to fraction form
    480,571.72/663,237.30 = 265,728.04/x
  3. Step 3: Cross multiply
    480,571.72x = 663,237.30 × 265,728.04
  4. Step 4: Simplify right side
    480,571.72x = 176,240,747,783.89
  5. Step 5: Solve for x
    x = 176,240,747,783.89/480,571.72
  6. Step 6: Final answer
    x = 366,731.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.